Cusp energetic particle events measured by POLAR spacecraft, T. A. Fritz, J. Chen, R. B. Sheldon, Harlan E. Spence, J. F. Fennell, S. Livi, C. T. Russell, J. S. Pickett
Physics & Astronomy

Observation of 40 keV Field-Aligned Ion Beams, J. F. Fennell, R. B. Sheldon, Harlan E. Spence
Physics & Astronomy

The discovery of trapped energetic electrons in the outer cusp, R. B. Sheldon, Harlan E. Spence, J. D. Sullivan, T. A, Fritz, Jiasheng Chen
Physics & Astronomy

Cusp energetic particle events: Implications for a major acceleration region of the magnetosphere, J. Chen, T. A. Fritz, R. B. Sheldon, Harlan E. Spence, W. N. Spjeldvik, J. F. Fennell, S. Livi, C. T. Russell, J. S. Pickett, D. A. Gurnett
Physics & Astronomy

A new magnetic storm model, R. B. Sheldon, Harlan E. Spence
Physics & Astronomy

Alfvén boundaries: noses and zippers, R. B. Sheldon, Harlan E. Spence
Physics & Astronomy

First energetic neutral atom images from Polar, M. G. Henderson, G. D. Reeves, Harlan E. Spence, R. B. Sheldon, A. M. Jorgensen, J. B. Blake, J. F. Fennell
Physics & Astronomy

Recurrent geomagnetic storms and relativistic electron enhancements in the outer magnetosphere: ISTP coordinated measurements, D. N. Baker, X. Li, N. Turner, J. H. Allen, L. F. Bargatze, J. B. Blake, R. B. Sheldon, Harlan E. Spence, R. D. Belian, G. D. Reeves, S. G. Kanekal, B. Klecker
Physics & Astronomy